A005666 - OEIS

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A005666 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`7`
`3`		`21`
`4`		`59`
`5`		`163`
`6`		`447`
`7`		`1223`
`8`		`3343`
`9`		`9135`
`10`		`24959`
`11`		`68191`
`12`		`186303`
`13`		`508991`
`14`		`1390591`
`15`		`3799167`
`16`		`10379519`
`17`		`28357375`
`18`		`77473791`
`19`		`211662335`
`20`		`578272255`
`21`		`1579869183`
`22`		`4316282879`
`23`		`11792304127`
`24`		`32217174015`
`25`		`88018956287`
`26`		`240472260607`
`27`		`656982433791`
`28`		`1794909388799`

[0,2,7,21,59,163,447,1223,3343,9135,24959,68191, 186303,508991,1390591,3799167,10379519,28357375, 77473791,211662335,578272255,1579869183, 4316282879,11792304127,32217174015,88018956287, 240472260607,656982433791,1794909388799]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)